91940655926 has 16 divisors (see below), whose sum is σ = 166883880096. Its totient is φ = 37085306496.

The previous prime is 91940655901. The next prime is 91940655931. The reversal of 91940655926 is 62955604919.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193152401 + ... + 193152876.

It is an arithmetic number, because the mean of its divisors is an integer number (10430242506).

Almost surely, 2^91940655926 is an apocalyptic number.

91940655926 is a deficient number, since it is larger than the sum of its proper divisors (74943224170).

91940655926 is a wasteful number, since it uses less digits than its factorization.

91940655926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386305303.

The product of its (nonzero) digits is 5248800, while the sum is 56.

The spelling of 91940655926 in words is "ninety-one billion, nine hundred forty million, six hundred fifty-five thousand, nine hundred twenty-six".